| AT89S51-24AC | 24MHz; 4.0 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 44-pin TQFP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89S51-24AI | 24MHz; 4.0 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 44-pin TQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89S51-24JC | 24MHz; 4.0 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89S51-24JI | 24MHz; 4.0 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 44-pin PLCC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89S51-24PC | 24MHz; 4.0 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 40-pin PDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89S51-24PI | 24MHz; 4.0 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 40-pin PDIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89S51-24SC | 24MHz; 4.0 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 42-pin PDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89S51-24SI | 24MHz; 4.0 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 42-pin PDIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| AT89S51-33AC | 33MHz; 4.5 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 44-pin TQFP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89S51-33JC | 33MHz; 4.5 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89S51-33PC | 33MHz; 4.5 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 40-pin PDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89S51-33SC | 33MHz; 4.5 to 5.5V; 15mA; 8-bit microcontroller with 4K bytes In-system programmable flash in 42-pin PDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| AT89S51 | 8-bit Microcontroller with 4K Bytes In-System Programmable Flash | Datasheet*) |
| AT89S51-24 | 8-bit Microcontroller with 4K Bytes In-System Programmable Flash | Datasheet*) |
| AT89S51-24AU | 8-bit Microcontroller with 4K Bytes In-System Programmable Flash | Datasheet*) |
| AT89S51-24JU | 8-bit Microcontroller with 4K Bytes In-System Programmable Flash | Datasheet*) |
| AT89S51-24PU | 8-bit Microcontroller with 4K Bytes In-System Programmable Flash | Datasheet*) |
